The manufacturer’s warranty to the original consumer purchaser is: This product is free from defects in
materials and workmanship for a period of two (2) years from the date of purchase by the original consumer
purchaser. We will repair or replace, at our discretion, parts found to be defective due to materials or
workmanship. This warranty is subject to the following limitations and exclusions:
1) Engine Warranty All engines utilized on our products have a separate warranty extended
to them by the individual engine manufacturer. Any engine service
difficulty is the responsibility of the engine manufacturer and in no way
is Swisher or its agents responsible for the engine warranty. The Briggs
& Stratton Engine Service Hot Line is 1-800-233-3723.
2) Commercial Use This product is not intended for commercial use and carries no
commercial warranty.
3) Limitation This warranty applies only to products which have been properly
assembled, adjusted, and operated in accordance with the instructions
contained within this manual. This warranty does not apply to any
product of Swisher that has been subject to alteration, misuse, abuse,
improper assembly or installation, shipping damage, or to normal wear
of the product.
4) Exclusions Excluded from this warranty are normal wear, normal adjustments, and
normal maintenance.
In the event you have a claim under this warranty, you must return the product to an authorized
service dealer. All transportation charges, damage, or loss incurred during transportation of parts
submitted for replacement or repair under this warranty shall be borne by the purchaser. Should
you have any questions concerning this warranty, please contact us toll-free at 1-800-222-8183.
The model number, serial number, date of purchase, and the name of the authorized Swisher dealer
from whom you purchased the trimmer will be needed before any warranty claim can be processed.
THIS WARRANTY DOES NOT APPLY TO ANY INCIDENTAL OR CONSEQUENTIAL
DAMAGES AND ANY IMPLIED WARRANTIES ARE LIMITED TO THE SAME TIME
PERIODS STATED HEREIN FOR ALL EXPRESSED WARRANTIES. Some states do not allow
the limitation of consequential damages or limitations on how long an implied warranty may last,
so the above limitations or exclusions may not apply to you. This warranty gives you specific legal
rights and you may have other rights, which vary from state-to-state. This is a limited warranty as
defined by the Magnuson-Moss Act of 1975.
2
tructions, to operate
Safety Instructions
This Safety Alert Symbol indicates important messages in this
manual. When you see this symbol, carefully read the message that
follows and be alert to the possibility of personal injury.
•Read, understand and follow all instructions in the manual and on the trimmer
before starting.
•Read this manual carefully. Become familiar with the controls and how to
operate the unit properly.
•Only allow responsible adults, who are familiar with the ins
the unit.
•Clear the area of objects such as rocks, toys, etc. that could be thrown by the
unit.
•Be sure the area is clear of other people before trimming. Stop the unit if
anyone enters the area.
•Be aware of the direction of the trimmer discharge and do not direct it at
anyone. Do not direct trimmer discharge at breakable objects, such as
windows, etc.
• Do not operate trimmer without all guards and shields in place.
• Never leave the machine running unattended.
• Trim only in daylight or good artificial light.
• Do not operate the trimmer while under the influence of alcohol or drugs.
• Watch for traffic when operating near roadways.
• Use the trimmer as the manufacturer intended and as described in the
manual.
•Do not operate trimmer if it has been dropped or damaged in any manner.
Always have the damage repaired before operating.
• Always wear safety glasses or eye shields when using the trimmer.
• Dress properly. Do not operate the trimmer when barefoot or wearing open
sandals. Wear only solid shoes for good traction when trimming. Wear a long
sleeved shirt or jacket and long pants. Do not trim in shorts.
•Keep your eyes and mind on your trimmer and the area being trimmed. Do
not let other interests distract you.
• Do not put hands and feet near or under rotating parts.
• Before cleaning, inspecting or repairing your trimmer, stop the engine and
disconnect the spark plug wire and keep it away from the spark plug to
prevent accidental starting.
•Do not operate the trimmer if it vibrates abnormally. Excessive vibration is a
sign of damage. Stop the engine and safely check for damage and repair as
required.
•Do not operate the trimmer in wet grass, where good footing may not be
possible. Walk, never run.
•Stop the trimmer when crossing gravel drives, etc.
3
Slopes are a major factor related to loss of control and slip accidents,
Slope Operation
•
•
Use extra care when approaching blind corners, shrubs, trees or other objects
which can result in severe injury. All slopes require extra caution. If you
feel uneasy on it do not trim it.
DO: Trim across the face of a slope and not up and down.
• DO: Remove objects such as rocks, tree limbs, etc.
• DO: Watch for holes, ruts or bumps. Tall grass can hide obstacles.
• DO NOT: Mow near drop-offs, ditches or embankments. The operator could
lose footing or balance.
• DO NOT: Trim excessively steep slopes.
• DO NOT: Trim on wet grass. Reduced footing could cause slipping.
Keep children out of the area and under the watchful care of another
responsible adult.
Be alert and turn the machine off if children enter the area.
•
Before and when backing, look behind and down for small children.
•
Never allow children to operate this machine.
•
•
that may obstruct vision.
Children
•Use extra care handling gasoline and other fuels. They are flammable and
vapors are explosive.
• Use only an approved container for fuel.
• Never remove gas cap or add fuel with the engine running.
• Allow engine to cool before refueling. Do not smoke while refueling.
• Never refuel the machine indoors.
• Never store the machine or fuel container where there is an open flame, such
as a water heater.
• Never run a machine inside a closed area.
• Keep nuts and bolts tight and equipment in good condition.
• Never tamper with safety devices.
• Keep machine free of grass, leaves or other debris build up. Clean oil or fuel
spillage. Allow machine to cool before storing.
•Stop and inspect the equipment if you strike an object. Repair if necessary
before restarting.
•Never make repairs or adjustments with the engine running.
Service
4
The operation of any mower can encounter foreign
hardware removed in previous step. Snug, but
objects to be thrown into the eyes, resulting in severe eye
damage. Always wear certified safety glasses or widevision safety goggles over spectacles before starting any
cutting machine and while operating such a machine.
The operation of any mower produces sound waves that
are damaging to the human ear. Ear protection is
recommended.
CAUTION!
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
machine and the mowing activity. Never assume that
children will remain where you last saw them.
Do not operate the trimmer if it vibrates abnormally. Excessive
vibration is a sign of damage. Stop the engine and safely
check for damage and repair as required.
Warning Decal
19991
Contents of Box:
•Trimmer
Parts bag containing:
•Manual
•Engine manual
•Safety goggles
•Bottle of engine oil
•Trimmer line
•Hex wrench
Assembly
Tools Required:
• ½” Wrench
Installation of handles:
1. Remove loose fasteners from trimmer frame
handle holes.
2. Pivot lower handle up and align holes in
handle with holes on trimmer frame. Install
do not tighten bolts.
3. Attach upper handle to lower handle using
knobs and fasteners provided with lower
handle.
4. Adjust handles for comfortable operation.
5. Tighten all bolts.
Handles may be adjusted up and down and in and out
for comfortable operation.
Handle Adjustment
5
Preparing Unit For First Use
•Fill engine crankcase with oil. A 20oz. bottle has been provided with this unit. A new unit
requires 18-20oz. DO NOT OVERFILL.
•Fill the engine fuel tank with gasoline. GASOLINE SHOULD BE ADDED OUTSIDE IN A
WELL-VENTILATED AREA.
•Check to ensure string has been installed properly. A diagram is provided just above the trimmer
head for proper installation.
•Refer to engine manufacture’s manual for oil and fuel specifications.
Installing Trimmer Line
Important! Use the proper length of line. Using a line too long for the unit will cause
stalling and unacceptable operation.
Use 18” Trimmer Line
Part Number P3618
• Loosely fold trimmer line in half.
• Insert line through the bottom holes of the cutting disc (Step 1).
• Bring ends around and through the slot in the cutting disc flange (Step 2).
• Pull ends to tighten loop (Step 3).
Step 1
Step 3Step 2
Trimmer Line Positions
Trimmer line attachment positions:
• Trimmer is equipped with 4 trimmer line attachment points.
• When mowing with trimmer, the 4 trimmer line configuration is recommended for a more consistent,
even cut.
•When trimming tall or thick vegetation, the 2 trimmer line configuration is recommended for improved
To adjust cutting height:
1. Loosen set screw using hex wrench provided.
2. Slide cutting head up or down to desired cutting height.
3. Tighten set screw.
4. Any cutting height may be used with either trimmer line configuration.
performance.
Set Screw
4 Trimmer line Configuration
Shown set at Low cutting height
2 Trimmer line Configuration
Shown set at High cutting height
6
Operation
•
Important! To ensure proper operation, clean the engine and trimmer regularly. Remove any build up
of chaff from the top of the engine. During operation debris may get wrapped around trimmer head.
Prolonged use in this condition may result in excessive wear and part failures. Periodically turn off trimmer
and remove debris.
To start the trimmer:
1. Remove any built up debris from engine and trimmer head.
2. Move throttle control to “FAST”.
3. Firmly grasp rope handle and pull out slowly until resistance is felt. Then pull back rapidly with a
full arm stroke.
4. When engine starts, leave throttle control at “FAST”. Throttle control must be set in the fast
position for maximum performance.
5. Engage trimming head.
6. Begin trimming.
To engage/disengage trimmer head:
• Engage: Bring control bail into contact with the upper handle and grip it together with the handle.
If trimmer head does not fully engage, see belt adjustment section.
• Disengage: Release control bail. Trimmer head should stop within a few seconds. If it does not,
To engage/disengage transmission:
• Engage: Bring transmission engagement lever into contact with the upper handle and grip it
2. Move throttle control lever on engine to “SLOW” for a few seconds then move to “STOP”.
see belt adjustment section.
together with the handle.
Important!
For safest operation, make sure debris is directed away from you and others.
Troubleshooting
•If engine will not start, remove and check air filter to make sure filter and
carburetor are clean.
Trimming Tips
Do not lift the trimmer head when trimming. Let the head rest lightly touching the ground.
• Keep an eye on the length of the trimmer line. As the line gets shorter they become less effective at
cutting and will take longer to trim properly. Replace the line as necessary (see Installing Trimmer Line).
• Do not trim wet grass.
• Use caution when trimming slopes.
• Use the proper length of line. Using a line too long for the unit will cause stalling and
7
Trimmer Maintenance
WARNING
–
ALWAYS STOP ENGINE AND DISCONNECT SPARK PLUG
e belts may need to be adjusted using the following instructions. Indications that the belts
.
Make sure your trimmer is in safe working condition by keeping the following guidelines in mind every time you
use your trimmer.
•Keep trimmer in good operating condition and keep all guards and shields in place. DO NOT operate this
trimmer if any of the shields and guards are missing.
• Check all fasteners for secure fit to keep equipment in safe working order. Make adjustments as necessary.
• To reduce fire hazards, keep engine free of grass, leaves or excessive grease.
• DO NOT operate trimmer with a damaged or missing muffler. DO NOT tamper with exhaust system; this may
cause a fire hazard.
•DO NOT operate engine if air cleaner or the cover over the carburetor air intake is missing. Removal of these
parts could create a fire hazard.
•Before cleaning, making adjustments or repairing the trimmer, STOP engine, disconnect spark plug wire and
allow engine to cool.
•Handle gasoline with care. DO NOT smoke or use open flame near gasoline. Use only approved gasoline
containers. Never fuel or run trimmer in poorly ventilated areas, such as a garage or utility building.
• Always replace fuel tank cap. Be sure to clean up any spilled gasoline.
• Do not change the engine governor settings or over-speed the engine; severe injury or damage may result.
• Never store mower with gasoline in the tank inside a building where fumes may reach an open flame or spark.
Always allow engine to cool before storing.
NEVER ADD GASOLINE TO A HOT ENGINE – ALLOW ENGINE TO
COOL BEFORE ADDING GASOLINE.
WIRE BEFORE PERFORMING ANY ADJUSTMENTS OR SERVICE.
Thumb wheel
Engine
• Refer to the engine service manual provided with this unit.
Belts
• Occasionally check the belts for wear. A worn belt should be replaced.
Belt Adjustment
During the first few hours of operation all belts go through a “break-in period” after which
th
need to be adjusted include:
• Loss of power at the trimming head causing the head to spin unusually slow or stop.
• Excessive wear on belt due to slipping.
• The belt that powers the transmission is designed to be under constant tension and
needs no further adjustment.
•The belts used to engage/disengage the trimmer head can be adjusted using the
following instructions:
1. Locate the thumb wheel adjuster on the control cable (see illustration).
2. Release control bail to disengage trimmer head.
3. Rotate thumb wheel a few turns counterclockwise
4. Re-engage trimmer head.
5. If trimmer head has not returned to normal operation, repeat steps 2-4.
(from normal operating position).
Important!
Excessive force should NOT be required to fully engage control bail.
Do not over tighten cable adjuster. This may cause the cable to break
8
Belt Replacement
Head Engagement Belt A Replacement
1. Remove front belt cover.
2. Loosen or remove fasteners used to attach engine to allow engine to shift. Slide or tilt engine so lower engine pulley I moves
away from transmission, creating a gap to allow belt to be removed.
3. Remove old belt.
4. Install new belt by first routing belt under the engine and around lower engine pulley I .
5. Then route belt between two idler pulleys as shown F .
6. Install belt around front pulley B .
7. Ensure that belt is correctly installed between the belt guides C and adjacent pulley.
8. Ensure that belt is correctly installed in the grove of each pulley.
9. Ensure that belt is over the top of the transmission axle E .
10. Tighten or reinstall fasteners used to attach engine.
11. If belt tension had previously been adjusted, reset thumb wheel adjuster by rotating wheel clockwise as far as adjuster will allow
(see illustration in belt adjustment instructions). If head does not properly engage refer to belt adjustment instructions.
12. Reinstall front belt cover.
Transmission Power Belt H Replacement
1. Remove front belt cover.
2. Remove Head Engagement Belt A per instructions above.
3. Remove old belt.
4. Install new belt by first routing belt under the engine and around upper engine pulley J .
5. Then route belt around transmission pulley D .
6. Finally route belt around rear idler pulley G . The idler pulley is spring loaded, making it difficult to finish belt installation. To
ease belt installation push idler pulley toward transmission pulley while wrapping belt around idler pulley. CAUTION – Pinch Hazard: Ensure that you do not get any part of your body between the belt and the pulleys as this may cause injury.
7. Reinstall Head Engagement Belt per instructions above.
9NB107Bolt - 3/8-16 X 1 1/2 HCC GR5 ZY
10T30VPulley - Idler Clutch, 2 3/4 OD
11NB174Nut - Jam 3/8-16 ZY Grade 2
1219024*Idler Arm - Transmission
137821 Latch Spring
14NB272Washer - SAE Flat 3/8 ZY
15NB280Nut - 2 Way Lock 3/8-16 ZY
1619020Transmission - String Trimmer
1719025Axle - Self-Propelled Trimmer
1826X249Screw - .312-18 x .75
1919087*Guard - Chain; Trimmer
20NB501Bolt - 5/16-18 X 1 HCC GR5 ZY
21NB579Washer - Fender, 5/16 X 1 1/4 OD ZY
2216823Bushing - Shoulder 3/8, ZT60
2319023*Bracket - Idler Arm, SP Trimmer
2419053Belt - 24", SP Trimmer
25NB126Pin - Cotter, 1/8 X 1
2619036Pin - Cotter, 3/16 X 2.25; ZP
27690369Spacer - 1/2" TO 17 MM
2819022Sprocket - No. 35, 60 Teeth; 1/2" Bore
2919035Pin - Cotter, 1/8 X 1-1/2; ZP
3019021Sprocket - No. 35, 10 Teeth; 1/2" Bore
3119044Chain - ANSI #35, 70 Link Loop
32MWBBearing - Wheel, 1 1/8"OD X 1/2"ID
3319045***Clutch - Wheel, 1.125 OD X 0.5 ID
3419026**Wheel - 14", 1/2" Bearings; Trimmer
35NB177Washer - Mach 1/2 NR 14 GA
When ordering replacement parts
* Use paint code: TK=Black
** Wheels include two bearings. Use part # MWB when replacing bearings only.
Note: Optional wheel kits are available that include the bearings and wheel clutch
installed. Order part # 19085 for left wheel kit and part # 19086 for right wheel kit.
*** Wheel clutch must be installed in the correct orientation in order to operate
properly. Wheel clutch is installed correctly when wheels spin freely while
trimmer is moving forward without the engine running (wheels will have resistance
when trimmer is moving backward). One of the wheel bearings may need to be
removed prior to installing the wheel clutch. The wheel clutch has an arrow on the
side to indicate the “free-wheel” direction. Ensure clutch is orientated so the freewheel direction corresponds to direction the wheel will rotate while trimmer is
moving forward and press the clutch into the center of the wheel (interference fit).
Then replace the wheel bearing and install the wheel on the axle.
Important!Rotate wheel in free-wheel direction while mounting on axle
(spin and push at the same time). Ensure both wheel bearings remain fully
seated in wheel during wheel installation and operation. Failure to do so may
cause damage to wheel clutch.
Arrow on clutch
shows direction
wheel spins freely
when installed.
12
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